помоготе, пожалуйста найти 2 статьи.
Заранее спасибо
1. D. S. Papaioannou, S. C. Kyriakisf1, A. Papasteriadis, N. Roumbies, A. Yannakopoulos and C. Alexopoulos
Effect of in-feed inclusion of a natural zeolite (clinoptilolite) on certain vitamin, macro and trace element concentrations in the blood, liver and kidney tissues of sows
Research in Veterinary Science Volume 72, Issue 1, February 2002, Pages 61-68
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http://dx.doi.org/10.1053/rvsc.2001.0524A field study on the effect of in-feed inclusion of a natural zeolite (clinoptilolite) on health status and performance of sows/gilts and their litters
Research in Veterinary Science Volume 72, Issue 1, February 2002, Pages 51-59
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http://dx.doi.org/10.1053/rvsc.2001.0521